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To study methods

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  • The well known Fokker-Plank-Kolmogorov Equation Method has been developed to study random vibration in systems with hysteresis that often described by the stochastic integro-differential equations or differential equations with delay.

    pdf10p thienthanquydu 21-10-2018 14 0   Download

  • (bq) part 1 book "an introduction to statistical methods and data analysis" has contents: statistics and the scientific method; using surveys and experimental studies to gather data; data description, probability and probability distributions; inferences about population central values; inferences comparing two population central values,...and other contents.

    pdf586p bautroibinhyen23 02-04-2017 39 8   Download

  • The paper uses the copula-based decomposition method to study the incomeinequality in rural-urban areas in Vietnam, using 2016 Vietnam Household Living Standard Survey data. Empirical results show that level of education plays the most important role in explaining income disparities in the two populations.

    pdf8p viminotaur2711 31-10-2019 7 0   Download

  •   Nowadays,  there  are  many  methods  to  study  shoreline  change  in  coastal  engineering.  Among  them,  mathematical  methods  are  considered  as  effective  ones  that  have  been  used  for  a  long  time.  LITPACK  is  a  numerical  model  in  MIKE  software  package,  developed  by  Danish  Hydraulic  Institute  (DHI),  for  simulating  non‐cohesive  sediment  transport  in  wave  and  currents,  littoral  drift,  coastline  evolution  and  profile  development  along ...

    pdf9p dem_thanh 22-12-2012 41 5   Download

  • This chapter explains the use of several techniques including correlation analysis and regression analysis. After reading this chapter, you should understand: How correlation analysis may be applied to study relationships between two or more variables; the uses, requirements, and interpretation of the product moment correlation coefficient;...

    ppt38p estupendo4 24-08-2016 45 3   Download

  • The Experimental method refers to a method that relies on controlled methods, random assignment and the manipulation of variables to test a hypothesis. In this study, it refers to an innovative method - the picture showing method of the researcher to find out the effectiveness of using pictures in enhancing the writing skills.

    pdf4p doctorstrange1 21-06-2018 18 3   Download

  •   In  Vietnam,  weathering  crust  has  been  intensively  studied  from  different  aspects.  However,  this  paper  is  the  first  attempt  to  study  on  changing  plantation.  The  following  methods  are  used:  analysis  of  weathering  factors  in  natural  balance;  geochemical  method  for  studying  the  major  and  trace  elements;  comparing  weathering  crust  with  the  standard  one  on  which  a  known  assemblage  of  plants  is  well  developed.  The  results  reveal  that:  the  feralite  weathering  crust  is  suitable  for  litchi, ...

    pdf4p dem_thanh 22-12-2012 48 2   Download

  • A hybrid system is described which combines the strength of manual rulewriting and statistical learning, obtaining results superior to both methods if applied separately. The combination of a rule-based system and a statistical one is not parallel but serial: the rule-based system performing partial disambiguation with recall close to 100% is applied first, and a trigram HMM tagger runs on its results. An experiment in Czech tagging has been performed with encouraging results.

    pdf8p bunrieu_1 18-04-2013 24 2   Download

  • Chapter 18 - Measures of association. After studying this chapter you will be able to understand: How correlation analysis may be applied to study relationships between two or more variables; the uses, requirements, and interpretation of the product moment correlation coefficient; how predictions are made with regression analysis using the method of least squares to minimize errors in drawing a line of best fit;...

    ppt48p dien_vi01 21-11-2018 25 2   Download

  • Multimodal dialogue systems allow users to input information in multiple modalities. These systems can handle simultaneous or sequential composite multimodal input. Different coordination schemes require such systems to capture, collect and integrate user input in different modalities, and then respond to a joint interpretation. We performed a study to understand the variability of input in multimodal dialogue systems and to evaluate methods to perform the collection of input information.

    pdf6p bunbo_1 17-04-2013 35 1   Download

  • After studying this chapter you will be able to understand: What classes, objects, methods and instance variables are; how to declare a class and use it to create an object; how to declare methods in a class to implement the class's behaviors; how to declare instance variables in a class to implement the class's attributes; how to call an object's method to make that method perform its task;...

    ppt85p nhanmotchut_3 19-10-2016 25 1   Download

  • The aim of this paper is to study a method of approximating a solution of the operator equation of Hammerstein type x + F2F1(x) = f on the base of constructing a system of differential equations of the first order, where Fi , i = 1, 2, are the continuous monotone operators in real Hilbert space H. Then this method is considered in connection with finite-dimentional approximations for H.

    pdf10p binhminhmuatrenngondoithonggio 09-06-2017 35 1   Download

  • The present paper begins with good reason to think why we use a case study approach to studying fertility and its theoretical base. We then reconnoitre ‘a theory of culture for demography’ in order to flesh out ‘a coherent method to fit cultural anthropology into the demographic enterprise: a third generation fertility study’. Such interrogation helps clarify problems and advantages in terms of theory, methodology, practicality, useful outcomes and differences.

    pdf12p angicungduoc1 02-12-2019 7 1   Download

  • The field experiment was conducted during kharif and rabi season of 2106 to study the effect of different manurial practices on rice yield and soil physical and chemical properties under SRI method of rice planting. The field experiment was laid out in Randomized block design with 6 treatments replicated thrice.

    pdf8p nguathienthan4 18-04-2020 12 1   Download

  • Starting from late 2019, COVID-19 virus pneumonia has swept mainland China during the whole Spring Festival. In order to prevent the spread of the virus, people have to stay at home and avoid going out. This has affected the economic development of many industries to some extent, especially tourism and services, which relied on high population mobility to make profits during the Spring Festival holiday in the past. We use the event study method to explore the impact of pneumonia on A-share listed companies’ stock returns in different industries in China.

    pdf19p nguyenanhtuan_qb 09-07-2020 9 1   Download

  • Objectives: To study formulation of sub-coating of lansoprazole (LPZ) loading core pellets. Methods: The drug loading core pellets and sub-coating pellets were coated by using fluidized bed coater. Spectrophotometric method was used to determine the drug content and percentage of drug release from pellets

    pdf6p cumeo2008 30-07-2018 20 0   Download

  • This paper is devoted to study dynamic response of a tunnel surrounded by elastic foundation under moving vehicle loads by using the finite element method (FEM). The numerical results were then validated by an experimentation on a real structure.

    pdf18p thienthanquydu 21-10-2018 13 0   Download

  • The aim of this study was to study the conformational changing when sulfated groups were introduced to the molecular chain of native tamarind seed polysaccharide (TSP). Light Scattering (LS) method was used to determine conformation of TSP and its sulfated derivative TSPS. The results indicated that both TSP and TSPS have a highly branched and more sphere-like molecule; however, after sulfation, the TSPS became more branched structure than native polysaccharide.

    pdf4p giesumanh 10-11-2018 19 0   Download

  • Objectives: To study formulation of sub-coating of lansoprazole (LPZ) loading core pellets. Methods: The drug loading core pellets and sub-coating pellets were coated by using fluidized bed coater. Spectrophotometric method was used to determine the drug content and percentage of drug release from pellets.

    pdf6p vixyliton2711 17-04-2019 13 0   Download

  • A dynamic nanoindentation method was applied to study an Fe-18 at.% Gd alloy as a neutron-absorbing material prepared by vacuum arc-melting and cast in a mold. The Fe-18 at.% Gd cast alloy had a microstructure with matrix phases and an Fe-rich primary dendrite of Fe9Gd. Rietveld refinement of the X-ray spectra showed that the Fe-18 at.% Gd cast alloy consisted of 35.84 at.% Fe3Gd, 6.58 at.% Fe5Gd, 16.22 at.% Fe9Gd, 1.87 at.% Fe2Gd, and 39.49 at.% b-Fe17Gd2. The average nanohardness of the primary dendrite phase and the matrix phases were 8.7 GPa and 9.3 GPa, respectively.

    pdf5p minhxaminhyeu4 26-06-2019 5 0   Download

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